law enforcement moved in. pulled the suspect from his hiding plane -- hiding place and took him into custody. >>> about a half an hour after the second suspect was captured, president obama's praised the people of boston. >> they failed because as americans, we refuse to be terrorized. >> reporter: the president vowed to get all the remaining questions about the bombings answered and he cautioned americans against a rush to judgment about the brother's motive or their background. >> a u.s. government official says at this point there is no known tie between the suspects and any extremist groups. but have learned quite a bit about the brothers. our coverage continues with jana katsuyama. she's been digging into their past and she joins with us now live with new information tonight about their background. >> we certainly are learning more. many people who knew the brothers describe the boys as smart and athletic. not someone they would associate with the boston massachusetts bombings. his older brother practiced